Cladrastis clade explained

The Cladrastis clade is a monophyletic clade of the flowering plant subfamily Faboideae (or Papilionaceae) that is found in eastern Asia and southern North America.[1] It is consistently resolved in molecular phylogenies and is sister to the Meso-Papilionoideae.[2] [3] [4] [5] [6] [7] Evidence for the existence of this clade was first proposed based on morphological (floral), cytological, and biochemical evidence.[8] [9] It is predicted to have diverged from the other legume lineages 47.4±2.6 million years ago (in the Eocene).[10]

Description

This clade is composed of three genera: Cladrastis, the monotypic Pickeringia, and Styphnolobium. Fossils of species of Cladrastis and Styphnolobium have been discovered.[11] The name of this clade is informal and is not assumed to have any particular taxonomic rank like the names authorized by the ICBN or the ICPN. The clade is defined as:

"The most inclusive crown clade containing Cladrastis kentukea (Dum. Cours.) Rudd 1971 but not Dermatophyllum secundiflorum (Ortega) Gandhi & Reveal 2011 or Swartzia simplex Spreng. 1825."

External links

Notes and References

  1. Cardoso D, de Queiroz LP, Pennington RT, de Lima HC, Fonty É, Wojciechowski MF, Lavin M . 2012 . Revisiting the phylogeny of papilionoid legumes: new insights from comprehensively sampled early-branching lineages . . 99 . 12 . 1991–2013 . 10.3732/ajb.1200380 . 23221500 .
  2. Doyle JJ, Doyle JL, Ballenger JA, Dickson EE, Kajita T, Ohashi H . 1997 . A phylogeny of the chloroplast gene rbcL in the Leguminosae: taxonomic correlations and insights into the evolution of nodulation . . 84 . 4 . 541–554 . 21708606 . 10.2307/2446030. 2446030 . free .
  3. Pennington RT, Lavin M, Ireland H, Klitgaard B, Preston J, Hu JM . 2001 . Phylogenetic relationships of basal papilionoid legumes based upon sequences of the chloroplast trnL intron . . 55 . 5 . 818–836 . 10.1043/0363-6445-26.3.537 . 31 January 2024 .
  4. McMahon MM, Sanderson MJ . 2006 . Phylogenetic supermatrix analysis of GenBank sequences from 2228 papilionoid legumes . . 99 . 12 . 1991–2013 . 10.1080/10635150600999150 . 17060202 . free .
  5. Wojciechowski MF. . 2013 . The origin and phylogenetic relationships of the Californian chaparral 'paleoendemic' Pickeringia (Leguminosae) . . 38 . 1 . 132–142 . 10.1600/036364413X662024 . 86331839 .
  6. LPWG [Legume Phylogeny Working Group] . 2013 . Legume phylogeny and classification in the 21st century: progress, prospects and lessons for other species-rich clades . . 62 . 2 . 217–248 . 10.12705/622.8. 10566/3455 .
  7. Kajita T, Ohashi H, Tateishi Y, Bailey CD, Doyle JJ . 2001 . rbcL and legume phylogeny, with particular reference to Phaseoleae, Millettieae and allies . . 26 . 3 . 515–536 . 10.1043/0363-6445-26.3.515 . 3093979 . 31 January 2024 .
  8. Sousa-Sánchez M, Rudd VE . 1993 . Revisión del género Styphnolobium (Leguminosae: Papilionoideae: Sophoreae) . Revision of the genus Styphnolobium (Leguminosae: Papilionoideae: Sophoreae) . . 80 . 1 . 270–283 . 0026-6493 . 10.2307/2399827. 2399827 .
  9. Kite GC, Pennington RT . 2003 . Quinolizidine alkaloid status of Styphnolobium and Cladrastis (Leguminosae). . . 31 . 12 . 1409–1416 . 10.1016/S0305-1978(03)00118-2 .
  10. Lavin M, Herendeen PS, Wojciechowski MF . 2005 . Evolutionary rates analysis of Leguminosae implicates a rapid diversification of lineages during the tertiary . . 54 . 4 . 575–94 . 10.1080/10635150590947131 . 16085576 . free .
  11. Book: Herendeen PS. . 1992 . The fossil history of the Leguminosae from the Eocene of southeastern North America . Herendeen PS, Dilcher DL . Advances in Legume Systematics, Part 4: The Fossil Record . http://www.kewbooks.com/asps/ShowDetails.asp?id=316 . Kew, UK . Royal Botanic Gardens . 85–160 . 978-0947643409 .

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